71018114 has 4 divisors (see below), whose sum is σ = 106527174. Its totient is φ = 35509056.

The previous prime is 71018107. The next prime is 71018119. The reversal of 71018114 is 41181017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41181017 = 23 ⋅1790479.

It can be written as a sum of positive squares in only one way, i.e., 70845889 + 172225 = 8417^2 + 415^2 .

It is a super-2 number, since 2×71018114² = 10087145032233992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71018114.

It is not an unprimeable number, because it can be changed into a prime (71018119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17754527 + ... + 17754530.

Almost surely, 2^71018114 is an apocalyptic number.

71018114 is a deficient number, since it is larger than the sum of its proper divisors (35509060).

71018114 is a wasteful number, since it uses less digits than its factorization.

71018114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35509059.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 71018114 is about 8427.2245727760. The cubic root of 71018114 is about 414.1169863953.

The spelling of 71018114 in words is "seventy-one million, eighteen thousand, one hundred fourteen".